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ololo11 [35]
3 years ago
5

Tom is 4 more than twice Andrew's age. Sara is 8 less than 5 times Andrew's age. If Tom and Sara are twins, how old is Andrew?

Mathematics
2 answers:
Ket [755]3 years ago
6 0
T=2A+4 
S=5A-8
If Tom and Sara are 10 years old,
10=2A+4
6=2A
3=A
Not sure though
dusya [7]3 years ago
5 0
Andrew= 4 years old
Sara= 12 years old
Tom= 12 years old
Basically, I did guess and check. First I started with Andrew 10 years old. I kept going down until I reached Andrew as 5 years old. I went 1 number down to 4 and that was perfect because that way Tom and Sara had the same age.

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